Term | Definition |
digestive system | the body system that converts food into simpler molecules that can be used by the body. |
Cellular respiration | the process through which glucose is broken down in the presence of oxygen to produce carbon dioxide and water, the process through which cells break down simple food molecules to release stored energy. |
Reproductive System | the body system that produces sperm or egg cells that are required for fertilization to produce a new organism. |
Fertilization | the process during which a sperm cell joins with an egg cell to form a zygote. |
Circulatory System | the body system that brings oxygen, nutrients, and hormones to cells, removes wastes, and regulates body temperature. |
Excretory System | the body system that removes liquid wastes, including urea and water, from the body. |
cell | a usually microscopic structure containing nuclear and cytoplasmic material enclosed by a semi |
organelles | a specialized part of a cell having some specific function; a cell organ. |
cell membrane | Also called: plasma membrane a very thin membrane, composed of lipids and protein, that surrounds the cytoplasm of a cell and controls the passage of substances into and out of the cell |
nucleus | a specialized, usually spherical mass in a double membrane, and found in most living eukaryotic cells, directing their growth, metabolism, and reproduction, and containing the genetic material that codes all traits for an organism. |
cytoplasm | the substance between the cell membrane and the nucleus, holding the organelles and various particles. |
chloroplast | A plastid in the cells of green plants and green algae that contains chlorophylls and creates glucose through photosynthesis. |
mitochondria | an organelle in the cytoplasm of cells that functions in energy production. |
Equilibrium | the state in which the overall concentration of materials remains constant. |
Tissue | cells group together to perform the same function. |
Organs | several types of tissues group together to perform the same function. |
Organ systems | group of organs that work together for a particular function. |
Unicellular | a one-celled organism |
Multicellular | an organism with multiple (many) cells |
Organism | a form of life |